18370535212 has 24 divisors (see below), whose sum is σ = 32576176080. Its totient is φ = 9063479040.

The previous prime is 18370535203. The next prime is 18370535237. The reversal of 18370535212 is 21253507381.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122248 + ... + 227344.

It is an arithmetic number, because the mean of its divisors is an integer number (1357340670).

Almost surely, 2^18370535212 is an apocalyptic number.

It is an amenable number.

18370535212 is a deficient number, since it is larger than the sum of its proper divisors (14205640868).

18370535212 is a wasteful number, since it uses less digits than its factorization.

18370535212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105681 (or 105679 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 18370535212 in words is "eighteen billion, three hundred seventy million, five hundred thirty-five thousand, two hundred twelve".